important clients. the south korean government haho government officials have discounted corporate taxes and offered up land at cheap prices. >> translator: p d d d d d d d t orter: managers of lationship japanese firms jumped at the south koreans' offer. last year investment added up to $22 million u.s. dollars, four times what it was eight years ago. behind me is the industrial estate that opened three years ients clinininininininininininin manufacturer opened a factory ten kilometers away from their companies worked together to smooth out the production process. they discovered then fixed a glitch in one production line. the change cut costs for both sides. they say they could have only made such progress by working face to face. >> translator: now the japanese companies can supply us with more glass products, and we can bring in good materials. so for us it's a huge advantage. >> reporter: some say in the moment people in both countries see the tensions through a magnifying glass. they say both japanese and south koreans get along just fine, that they've reached a sense of maturity.